Properties: The herb is sweet and tasteless in flavour, slightly cold in nature. It acts on spleen, stomach and lung channels. Tasteless for removing dampness, sweet for tonifying spleen, slight coldness for eliminating heat, and neutral, not oily and not drastic, coix seed as a herb for eliminating heat and dampness is indicated for edema, diarrhea, damp arthralgia and pulmonary abscess.
Effects: Inducing diuresis, excreting dampness, strengthening spleen, arresting diarrhea, clearing heat and pus.
1. The herb is often used in combination with umbellate pore-fungus, poria, oriental water plantain rhizome and other herbs for inducing diuresis and alleviating edema, to treat water and dampness retention, edema, beriberi and dysuria; with Dangshen, white atractylodes rhizome, poria, Chinese yam rhizome and other herbs for strengthening spleen and arresting diarrhea, such as Shenling Baizhu Powder, to tret diarrhea and anorexia due to spleen deficiency.
2. The herb is often used in combination with phellodendron bark, atractylodes rhizome, achyranthes root for clearing heat and dampness, alleviating arthralgia and pain, to treat arthralgia due to damp-heat and swelling, heat and pain in joints; and with apricot kernel, round cardamon seed and other herbs for eliminating dampness and heat and promoting Qi circulation, such as Sanren Decoction, to treat early damp-heat syndrome, fever, fatigue, chest tightness and greasy tongue.
3. The herb can be used in combination with common reed root, Chinese waxgourd seed and other herbs for clearing heat from the lung and pus, such as Weijing Decoction, to treat pulmonary abscess, cough and purutemr phlegm; with rhubarb, peach kernel, dandelion and other herbs for clearing heat and suppuration of the intestine to treat acute appendicitis and abdominal pain.